Insecure Permissions Check in ServiceManager::add Function Allows Service Replacement and Local Elevation of Privilege in Android 8.0 and 8.1

CVE-2017-13209 · HIGH Severity

AV:L/AC:L/AU:N/C:C/I:C/A:C

In the ServiceManager::add function in the hardware service manager, there is an insecure permissions check based on the PID of the caller which could allow an application or service to replace a HAL service with its own service. This could lead to a local elevation of privilege enabling code execution as a privileged process with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: 8.0, 8.1. Android ID: A-68217907.

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